/**
* Attempts to load Filter from Container or hands off to parent loader.
*
* @param Rule $rule
* @return BaseFilter
*/
public function getFilterForRule(Rule $rule)
{
$filterIdentifier = $rule->getFilter();
if ($this->container === null || !$this->container->has($filterIdentifier)) {
return parent::getFilterForRule($rule);
}
return $this->container->get($filterIdentifier);
}
/**
* Finds the filter responsible for executing a specific rule
*
* @param Rule $rule
*
* @throws \UnexpectedValueException If filter can't be located
* @return BaseFilter
*/
public function getFilterForRule(Rule $rule)
{
$filterIdentifier = $rule->getFilter();
if (class_exists($filterIdentifier)) {
return new $filterIdentifier();
}
$error = "Unable to locate filter for: {$filterIdentifier} defined in " . get_class($rule);
throw new \UnexpectedValueException($error);
}
/**
* {@inheritDoc}
*
* @param CallbackRule $rule
*/
public function apply(Rule $rule, $value)
{
$type = $rule->getInputType();
if ($type == CallbackRule::SELF_METHOD_TYPE) {
return $this->useObjectMethod($rule->callback, $value);
}
if ($type == CallbackRule::CALLABLE_TYPE) {
return $this->useCallable($rule->callback, $value);
}
if ($type == CallbackRule::CLOSURE_TYPE) {
return $this->useClosure($rule->callback, $value);
}
throw new InvalidCallbackException("Unsupported callback provided, failed to filter property");
}
